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| author |   Vasiliy Kulikov <segooon@gmail.com> | 2010-09-26 12:59:37 +0400 |
|---|---|---|
| committer |   Sage Weil <sage@newdream.net> | 2010-10-20 15:38:19 -0700 |
| commit | 28f259b7cd78eb29d38b7ae6b475d656e08fd348 (patch) | |
| tree | 4cbefc4ad9562af2c221b6fec52bb560772f0a40 /drivers/block/rbd.c | |
| parent | ceph: switch from BKL to lock_flocks() (diff) | |
| download | linux-dev-28f259b7cd78eb29d38b7ae6b475d656e08fd348.tar.xz linux-dev-28f259b7cd78eb29d38b7ae6b475d656e08fd348.zip | |
block: rbd: fixed may leaks
rbd_client_create() doesn't free rbdc, this leads to many leaks.
seg_len in rbd_do_op() is unsigned, so (seg_len < 0) makes no sense.
Also if fixed check fails then seg_name is leaked.
Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Diffstat (limited to 'drivers/block/rbd.c')
| -rw-r--r-- | drivers/block/rbd.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index c42f3058abc7..83b15dd24853 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -241,6 +241,7 @@ static struct rbd_client *rbd_client_create(struct ceph_options *opt) rbdc->client = ceph_create_client(opt, rbdc); if (IS_ERR(rbdc->client)) goto out_rbdc; + opt = NULL; /* Now rbdc->client is responsible for opt */ ret = ceph_open_session(rbdc->client); if (ret < 0) @@ -255,13 +256,12 @@ static struct rbd_client *rbd_client_create(struct ceph_options *opt) out_err: ceph_destroy_client(rbdc->client); - return ERR_PTR(ret); - out_rbdc: kfree(rbdc); out_opt: - ceph_destroy_options(opt); - return ERR_PTR(-ENOMEM); + if (opt) + ceph_destroy_options(opt); + return ERR_PTR(ret); } /* @@ -889,8 +889,10 @@ static int rbd_do_op(struct request *rq, rbd_dev->header.block_name, ofs, len, seg_name, &seg_ofs); - if (seg_len < 0) - return seg_len; + if ((s64)seg_len < 0) { + ret = seg_len; + goto done; + } payload_len = (flags & CEPH_OSD_FLAG_WRITE ? seg_len : 0); |